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  <title>LCOV - id:000977,sync:fuzzer2,src:001052.lcov_info_final - src/setting.h</title>
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            <td width="10%" class="headerItem">Current view:</td>
            <td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">src</a> - setting.h<span style="font-size: 80%;"> (source / <a href="setting.h.func-sort-c.html">functions</a>)</span></td>
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            <td width="15%"></td>
            <td width="10%" class="headerCovTableHead">Hit</td>
            <td width="10%" class="headerCovTableHead">Total</td>
            <td width="15%" class="headerCovTableHead">Coverage</td>
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            <td class="headerItem">Test:</td>
            <td class="headerValue">id:000977,sync:fuzzer2,src:001052.lcov_info_final</td>
            <td></td>
            <td class="headerItem">Lines:</td>
            <td class="headerCovTableEntry">33</td>
            <td class="headerCovTableEntry">34</td>
            <td class="headerCovTableEntryHi">97.1 %</td>
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            <td class="headerItem">Date:</td>
            <td class="headerValue">2016-03-13 10:42:47</td>
            <td></td>
            <td class="headerItem">Functions:</td>
            <td class="headerCovTableEntry">27</td>
            <td class="headerCovTableEntry">33</td>
            <td class="headerCovTableEntryMed">81.8 %</td>
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<pre class="sourceHeading">          Line data    Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum">       1 </span>            : #ifndef SETTING_H_62B23520_7C8E_11DE_8A39_0800200C9A66</a>
<span class="lineNum">       2 </span>            : #define SETTING_H_62B23520_7C8E_11DE_8A39_0800200C9A66
<span class="lineNum">       3 </span>            : 
<span class="lineNum">       4 </span>            : #if defined(_MSC_VER) ||                                            \
<span class="lineNum">       5 </span>            :     (defined(__GNUC__) &amp;&amp; (__GNUC__ == 3 &amp;&amp; __GNUC_MINOR__ &gt;= 4) || \
<span class="lineNum">       6 </span>            :      (__GNUC__ &gt;= 4))  // GCC supports &quot;pragma once&quot; correctly since 3.4
<span class="lineNum">       7 </span>            : #pragma once
<span class="lineNum">       8 </span>            : #endif
<span class="lineNum">       9 </span>            : 
<span class="lineNum">      10 </span>            : #include &lt;memory&gt;
<span class="lineNum">      11 </span>            : #include &lt;vector&gt;
<span class="lineNum">      12 </span>            : #include &quot;yaml-cpp/noncopyable.h&quot;
<span class="lineNum">      13 </span>            : 
<span class="lineNum">      14 </span>            : namespace YAML {
<span class="lineNum">      15 </span>            : class SettingChangeBase;
<span class="lineNum">      16 </span>            : 
<span class="lineNum">      17 </span>            : template &lt;typename T&gt;
<a name="18"><span class="lineNum">      18 </span>            : class Setting {</a>
<span class="lineNum">      19 </span>            :  public:
<a name="20"><span class="lineNum">      20 </span><span class="lineCov">      64746 :   Setting() : m_value() {}</span></a>
<span class="lineNum">      21 </span>            : 
<a name="22"><span class="lineNum">      22 </span><span class="lineCov">     127941 :   const T get() const { return m_value; }</span></a>
<span class="lineNum">      23 </span>            :   std::unique_ptr&lt;SettingChangeBase&gt; set(const T&amp; value);
<span class="lineNum">      24 </span><span class="lineCov">      34478 :   void restore(const Setting&lt;T&gt;&amp; oldSetting) { m_value = oldSetting.get(); }</span>
<span class="lineNum">      25 </span>            : 
<span class="lineNum">      26 </span>            :  private:
<span class="lineNum">      27 </span>            :   T m_value;
<a name="28"><span class="lineNum">      28 </span>            : };</a>
<span class="lineNum">      29 </span>            : 
<a name="30"><span class="lineNum">      30 </span><span class="lineCov">      49612 : class SettingChangeBase {</span></a>
<span class="lineNum">      31 </span>            :  public:
<span class="lineNum">      32 </span><span class="lineCov">      49612 :   virtual ~SettingChangeBase() {}</span>
<span class="lineNum">      33 </span>            :   virtual void pop() = 0;
<span class="lineNum">      34 </span>            : };
<a name="35"><span class="lineNum">      35 </span>            : </a>
<span class="lineNum">      36 </span>            : template &lt;typename T&gt;
<a name="37"><span class="lineNum">      37 </span><span class="lineCov">      99224 : class SettingChange : public SettingChangeBase {</span></a>
<span class="lineNum">      38 </span>            :  public:
<span class="lineNum">      39 </span><span class="lineCov">      49612 :   SettingChange(Setting&lt;T&gt;* pSetting) : m_pCurSetting(pSetting) {</span>
<span class="lineNum">      40 </span>            :     // copy old setting to save its state
<span class="lineNum">      41 </span><span class="lineCov">      49612 :     m_oldSetting = *pSetting;</span>
<a name="42"><span class="lineNum">      42 </span><span class="lineCov">      49612 :   }</span></a>
<span class="lineNum">      43 </span>            : 
<span class="lineNum">      44 </span><span class="lineCov">      34478 :   virtual void pop() { m_pCurSetting-&gt;restore(m_oldSetting); }</span>
<span class="lineNum">      45 </span>            : 
<span class="lineNum">      46 </span>            :  private:
<span class="lineNum">      47 </span>            :   Setting&lt;T&gt;* m_pCurSetting;
<span class="lineNum">      48 </span>            :   Setting&lt;T&gt; m_oldSetting;
<span class="lineNum">      49 </span>            : };
<a name="50"><span class="lineNum">      50 </span>            : </a>
<span class="lineNum">      51 </span>            : template &lt;typename T&gt;
<span class="lineNum">      52 </span><span class="lineCov">      49612 : inline std::unique_ptr&lt;SettingChangeBase&gt; Setting&lt;T&gt;::set(const T&amp; value) {</span>
<span class="lineNum">      53 </span><span class="lineCov">      49612 :   std::unique_ptr&lt;SettingChangeBase&gt; pChange(new SettingChange&lt;T&gt;(this));</span>
<span class="lineNum">      54 </span><span class="lineCov">      49612 :   m_value = value;</span>
<span class="lineNum">      55 </span><span class="lineCov">      49612 :   return pChange;</span>
<span class="lineNum">      56 </span>            : }
<span class="lineNum">      57 </span>            : 
<a name="58"><span class="lineNum">      58 </span>            : class SettingChanges : private noncopyable {</a>
<a name="59"><span class="lineNum">      59 </span>            :  public:</a>
<span class="lineNum">      60 </span><span class="lineCov">      19547 :   SettingChanges() {}</span>
<a name="61"><span class="lineNum">      61 </span><span class="lineCov">      19547 :   ~SettingChanges() { clear(); }</span></a>
<span class="lineNum">      62 </span>            : 
<span class="lineNum">      63 </span><span class="lineCov">      88778 :   void clear() {</span>
<span class="lineNum">      64 </span><span class="lineCov">      88778 :     restore();</span>
<span class="lineNum">      65 </span><span class="lineCov">      88778 :     m_settingChanges.clear();</span>
<a name="66"><span class="lineNum">      66 </span><span class="lineCov">      88778 :   }</span></a>
<span class="lineNum">      67 </span>            : 
<span class="lineNum">      68 </span><span class="lineCov">     106099 :   void restore() {</span>
<span class="lineNum">      69 </span><span class="lineCov">     421731 :     for (setting_changes::const_iterator it = m_settingChanges.begin();</span>
<span class="lineNum">      70 </span><span class="lineCov">     281154 :          it != m_settingChanges.end(); ++it)</span>
<span class="lineNum">      71 </span><span class="lineCov">      34478 :       (*it)-&gt;pop();</span>
<a name="72"><span class="lineNum">      72 </span><span class="lineCov">     106099 :   }</span></a>
<span class="lineNum">      73 </span>            : 
<span class="lineNum">      74 </span><span class="lineCov">      34478 :   void push(std::unique_ptr&lt;SettingChangeBase&gt; pSettingChange) {</span>
<span class="lineNum">      75 </span><span class="lineCov">      34478 :     m_settingChanges.push_back(std::move(pSettingChange));</span>
<span class="lineNum">      76 </span><span class="lineCov">      34478 :   }</span>
<a name="77"><span class="lineNum">      77 </span>            : </a>
<span class="lineNum">      78 </span>            :   // like std::unique_ptr - assignment is transfer of ownership
<span class="lineNum">      79 </span><span class="lineCov">      17385 :   SettingChanges&amp; operator=(SettingChanges&amp;&amp; rhs) {</span>
<span class="lineNum">      80 </span><span class="lineCov">      17385 :     if (this == &amp;rhs)</span>
<span class="lineNum">      81 </span><span class="lineNoCov">          0 :       return *this;</span>
<span class="lineNum">      82 </span>            : 
<span class="lineNum">      83 </span><span class="lineCov">      17385 :     clear();</span>
<span class="lineNum">      84 </span><span class="lineCov">      17385 :     std::swap(m_settingChanges, rhs.m_settingChanges);</span>
<span class="lineNum">      85 </span>            : 
<span class="lineNum">      86 </span><span class="lineCov">      17385 :     return *this;</span>
<span class="lineNum">      87 </span>            :   }
<span class="lineNum">      88 </span>            : 
<span class="lineNum">      89 </span>            :  private:
<span class="lineNum">      90 </span>            :   typedef std::vector&lt;std::unique_ptr&lt;SettingChangeBase&gt;&gt; setting_changes;
<span class="lineNum">      91 </span>            :   setting_changes m_settingChanges;
<span class="lineNum">      92 </span>            : };
<span class="lineNum">      93 </span>            : }
<span class="lineNum">      94 </span>            : 
<span class="lineNum">      95 </span>            : #endif  // SETTING_H_62B23520_7C8E_11DE_8A39_0800200C9A66
</pre>
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